Alice C. Stelle Middle (Data source)
Source data for Alice C. Stelle Middle
2015
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 6 | 746409 | 2546 | - | 2552 | = | -6 | * | (222 | / | 730) | = | -1.82465753 | ||
| 7 | 746410 | 2574 | - | 2567 | = | 7 | * | (244 | / | 730) | = | 2.33972603 | ||
| 8 | 746413 | 2608 | - | 2586 | = | 22 | * | (264 | / | 730) | = | 7.95616437 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Alice C. Stelle Middle | 8 | ||||||||||||
2016
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 6 | 23473 | 2541 | - | 2552 | = | -11 | * | (276 | / | 742) | = | -4.09164419 | ||
| 7 | 23474 | 2582 | - | 2567 | = | 15 | * | (235 | / | 742) | = | 4.75067385 | ||
| 8 | 23477 | 2615 | - | 2586 | = | 29 | * | (231 | / | 742) | = | 9.02830187 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Alice C. Stelle Middle | 10 | ||||||||||||
2017
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 6 | 23938 | 2573 | - | 2552 | = | 21 | * | (260 | / | 762) | = | 7.16535433 | ||
| 7 | 23940 | 2572 | - | 2567 | = | 5 | * | (271 | / | 762) | = | 1.77821522 | ||
| 8 | 23942 | 2605 | - | 2586 | = | 19 | * | (231 | / | 762) | = | 5.75984251 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Alice C. Stelle Middle | 15 | ||||||||||||
2018
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 6 | 23958 | 2565 | - | 2552 | = | 13 | * | (258 | / | 795) | = | 4.21886791 | ||
| 7 | 23961 | 2582 | - | 2567 | = | 15 | * | (274 | / | 795) | = | 5.16981132 | ||
| 8 | 23962 | 2587 | - | 2586 | = | 1 | * | (263 | / | 795) | = | 0.33081761 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Alice C. Stelle Middle | 10 | ||||||||||||
2019
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 6 | 24134 | 2551 | - | 2552 | = | -1 | * | (275 | / | 811) | = | -0.33908755 | ||
| 7 | 24135 | 2580 | - | 2567 | = | 13 | * | (250 | / | 811) | = | 4.00739827 | ||
| 8 | 24136 | 2585 | - | 2586 | = | -1 | * | (286 | / | 811) | = | -0.35265105 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Alice C. Stelle Middle | 3 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 8 | 10 | 15 | 10 | 3 | 46.0 | 9.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 21.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -2.8
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
| 2015 | 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|---|
| Percent | 6% | 7% | 8% | 12% | 10% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Las Virgenes Unified school district | County of Los Angeles
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Alice C. Stelle Middle math proficiency
Zero+ meets standard.
4% less $meal
5% less $meal
6% less $meal
11% less $meal
9% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.
Intermediate/Middle Schools (Public) schools in Las Virgenes Unified (3)
| Alice C. Stelle Middle | Arthur E. Wright Middle | Lindero Canyon Middle |